Biotribological properties of polyether ether ketone prepared by melt deposition

doi:10.19491/j.issn.1001-9278.2025.06.003

Abstract

Abstract:

This study investigates the friction and wear behavior of fused deposition modeling （FDM）⁃fabricated polyetheretherketone （PEEK） under physiologically simulated lubrication conditions， with a focus on the influence of printing angles on wear volume and mechanisms. After 2 million wear cycles， the average wear factors for samples printed at XY⁃0 ° （0°）， XY⁃30 °， and XY⁃45 ° are （5.929±1.047）×10⁻⁶，（4.702±0.989）×10⁻⁶， and （4.575±0.655）×10⁻⁶ mm³/（N·m）， respectively. Specimens printed at horizontal angles of 30 ° and 45 ° demonstrate superior wear resistance. Regarding wear mechanisms， the surface morphology of FDM⁃PEEK remains broadly consistent across printing angles. Morphological observations revealed arc⁃shaped scratches and fracture⁃induced delamination， while morphological analysis identifies fish⁃scale⁃like wear patterns. These features correlate with abrasive， fatigue， and adhesive wear mechanisms. The findings aim to advance the application of FDM⁃PEEK technology in prosthetics design and manufacturing， offering novel strategies to support the development of personalized medical solutions.

Key words: molten deposition, polyether ether ketone, biological attrition property

CLC Number:

TQ322.3

XIN Hua, ZHANG Tai, CHEN Qiqi, YANG Le, LIU Ruijuan. Biotribological properties of polyether ether ketone prepared by melt deposition[J]. China Plastics, 2025, 39(6): 10-13.

Figures/Tables 8

References 21

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打印参数名称	打印参数数据
打印速度/mm·s^-1	30
喷嘴直径/mm	0.4
打印温度/℃	485
床层温度/℃	100
层厚度/mm	0.1
填充率/%	100

打印参数名称	打印参数数据
打印速度/mm·s^-1	30
喷嘴直径/mm	0.4
打印温度/℃	485
床层温度/℃	100
层厚度/mm	0.1
填充率/%	100

循环次数（MC）	磨损因子/×10⁶ mm³·N^-1·m^-1
循环次数（MC）	XY⁃0	XY⁃30	XY⁃45
0~1	2.967±0.824	3.126±0.495	2.715±0.796
1~2	8.892±1.270	7.913±2.475	6.204±2.106
0~2	5.929±1.047	4.702±0.611	4.575±0.655

循环次数（MC）	磨损因子/×10⁶ mm³·N^-1·m^-1
循环次数（MC）	XY⁃0	XY⁃30	XY⁃45
0~1	2.967±0.824	3.126±0.495	2.715±0.796
1~2	8.892±1.270	7.913±2.475	6.204±2.106
0~2	5.929±1.047	4.702±0.611	4.575±0.655